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| Title: | | A general treatment of non-response data from choice experiments using logit models  |
| Authors: | | Balcombe, Kelvin Fraser, Iain |
| Issue Date: | | 2009 |
| Series/Report no.: | | School of Economics discussion papers 09,16 |
| Abstract: | | A new approach is developed for the treatment of 'Don't Know' (DK) responses, within Choice Experiments. A DK option is motivated by the need to allow respondents the opportunity to express uncertainty. Our model explains a DK using an entropy measure of the similarity between options given to respondents within the Choice Experiment. We illustrate our model by applying it to a Choice Experiment examining consumer preferences for nutrient contents in food. We find that similarity between options in a given choice set does explain the tendency for respondents to report DK. |
| Subjects: | | choice experiment respondent uncertainty Bayesian methods |
| JEL: | | C35 I18 Q18 |
| Document Type: | | Working Paper |
| Appears in Collections: | | School of Economics Discussion Papers, University of Kent
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